Physics – Plasma Physics
Scientific paper
Apr 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005jgra..11004214a&link_type=abstract
Journal of Geophysical Research, Volume 110, Issue A4, CiteID A04214
Physics
Plasma Physics
2
Planetary Sciences: Solar System Objects: Io, Space Plasma Physics: Charged Particle Motion And Acceleration, Planetary Sciences: Comets And Small Bodies: Aurorae, Airglow, And X-Ray Emission, Planetary Sciences: Comets And Small Bodies: Interactions With Solar Wind Plasma And Fields
Scientific paper
Observations of atomic emissions from the Io plasma torus and previously published laboratory work suggest that proton collisions with SO2 may be a source of some of the spectral lines. We present an analysis of Balmer series lines seen in the spectra of collisions of protons with SO2 over the range of 50 to 250 keV. Absolute emission cross sections for these lines are measured to be on the order of 10-19 cm2 and are in rough agreement with a parametric model for electron capture which supports charge-transfer ionization of the SO2 target.
Alvarado Naja
Ammirati Thomas F.
Luthy Peter M.
Monce Michael N.
Tadesse Desta
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